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Discuz Announcement Effect (automatic line feed, non-gap scrolling) _ javascript skills

Source: Internet
Author: User
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Discuz announcement effect code, which can automatically wrap and scroll without gap

<! Doctype html public "-// W3C // dtd html 4.01 Transitional // EN "" http://www.w3c.org/TR/1999/REC-html401-19991224/loose.dtd "> <HTML xmlns =" http://www.w3.org/1999/xhtml "> <HEAD> <TITLE> </TITLE> <META http-equiv = Content-Type content =" text/html; charset = gbk "> <style type =" text/css "> ul {padding-right: 0px; padding-left: 0px; padding-bottom: 0px; margin: 0px; padding-top: 0px} # announcement {width: 100%; background: url (img/menu_bg.gif) repeat; overflow: hidden ;}# announcement p {border: # e6e6e6 1px solid; padding: 0px 10px 0px 10px; overflow-y: hidden; line-height: 24px; height: 24px} # announcement li {font-size: 12px; float: left; list-style-type: none; margin-right: 20px; padding-left: 10px; background: url (img/arrow_right.gif) no-repeat 0px 50%; white-space: nowrap} # announcement a {text-decoration: none ;}# announcement: hover {text-decoration: underline ;}</style> </HEAD> <BODY> <UL> <LI> share a form verification function (P. M .) </LI> <LI> meaning of block-level elements and cascade elements (200 8-12-13 p.m.) </LI> <LI> How do I set the width attribute without line breaks ?? (P.m.) </LI> <LI> after javascript is executed, the GIF animation remains static ?? (P. M .) </LI> <LI> raster map-based Query System (slice Cache Technology) (P. M .) </LI> <LI> [Switch] communication between flash and javascript (javascript calls functions in flash) (P. M .) </LI> <LI> do not use loops or callback functions to output 1 ~ 100 (P. M .) </LI> <LI> simple js image proportional Scaling (P. M .) </LI> <LI> beibei.com music address reader (P. M .) </LI> </UL> <script type = "text/javascript"> function $ (id) {return document. getElementById (id);} var anndelay = 3000; var anncount = 0; var annheight = 24; var annst = 0; function announcementScroll () {if (! Annst) {$ ('announcementbody '). innerHTML + = '<br style = "clear: both"/>' + $ ('announcementbody '). innerHTML; $ ('announcementbody '). scrollTop = 0; if ($ ('announcementbody '). scrollHeight> annheight * 3) {annst = setTimeout ('announcementscroll () ', anndelay);} else {$ ('announcement '). onmouseover = $ ('announcement '). onmouseout = null;} return;} if (anncount = annheight) {if ($ ('announcementbody '). scrollHeight-annheight <= $ ('announcementbody '). scrollTop) {$ ('announcementbody '). scrollTop = $ ('announcementbody '). scrollHeight/2-annheight;} anncount = 0; annst = setTimeout ('announcementscroll () ', anndelay);} else {$ ('announcementbody '). scrollTop ++; anncount ++; annst = setTimeout ('announcementscroll () ', 10) ;}} announcementScroll (); script </BODY> </HTML>
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